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Internal Medicine

Tessy Meridores, MD

Works at hospitals in Sacramento, CA · California

Summary

Dr. Tessy Meridores, MD is an internal medicine doctor at 501 J St, Sacramento, CA 95814. Phone: (916) 497-3000. Accepts Medicare assignment. In 2024, Tessy Meridores had 12 Original Medicare patients and 27 services. NPI 1194991620. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Tessy Meridores, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Tessy Meridores accept Medicare assignment?
Yes. Medicare's clinician data says Tessy Meridores accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Tessy Meridores see?
In 2024, CMS data shows 12 Original Medicare patients and 27 services for Tessy Meridores. This counts Original Medicare only and measures volume, not quality.
What is Tessy Meridores's NPI number?
1194991620. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Tessy Meridores, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients12
Services billed to Medicare27
Different services or procedures9
Participating Medicare providerYes
Average age of these patients62

Hospitals where Tessy Meridores works

Medicare's Facility Affiliation Data lists Tessy Meridores at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Tessy Meridores is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Tessy Meridores as a member of this group (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Internal Medicine doctors in California →

Other internal medicine doctors in Sacramento

Clinicians with the same Medicare primary specialty in Sacramento, CA — not a recommendation.

All internal medicine doctors in Sacramento →

Other clinicians in Permanente Medical Group Inc

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1982 (44 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1194991620
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians